package cn.com.sise.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import cn.com.sise.entity.Admin;

/**
 * Servlet Filter implementation class AuthoorityFilter
 */
@WebFilter("/*")
public class AuthorityFilter implements Filter {

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpSession session = req.getSession();

		if (req.getRequestURI().endsWith("login.jsp") || req.getRequestURI().endsWith("loginServlet")||req.getRequestURI().endsWith("code.jsp")) {
			chain.doFilter(request, response);
		} else {
			Admin user = (Admin) session.getAttribute("user");
			if (user != null)
				chain.doFilter(request, response);
			else
				((HttpServletResponse) response).sendRedirect("login.jsp");
		}

	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub

	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub

	}
}
